Since he made up his mind in the Glazed Tower, Zhao Hao has been trying to overcome his laziness. Although he is still afraid of trouble, he still feels obliged to write this book "Geometry Glimpse" and then let his disciples spread it among the candidates.

This is also the only feasible way to spread the knowledge. At this stage, we can only select the most elite people for education and sow more scientific seeds. Then let these seeds take root and sprout, and finally gradually change the soil of the entire Ming Dynasty.

This book, "An Introduction to Geometry", is also the threshold that Zhao Hao set for teaching. If a person has read this book and has no feeling, it means that he has no scientific talent at all and is not the person he is looking for.

He believed that if there were geniuses, they would be driven crazy by this book "Geometry for Beginners" because it only gave definitions, axioms, postulates and propositions, but not the proof process...

This is as hateful as some writers digging a hole and not filling it.

~~

The master and his two disciples were immersed in the world of science and were unaware of the time in the outside world.

Before we knew it, it was the fifteenth day of the winter month and the passenger ship finally arrived in Tongzhou.

Although there is a waterway in Tongzhou that leads directly to the Jishuitan in the capital, in order to ensure the smooth flow of water transport, all private ships are not allowed to enter.

Even if the boat had a yellow flag, it would be useless. I guess it would only work if we replaced it with a dragon flag...

The candidates had no choice but to get off the boat at Tongzhou Wharf, and then went to the post station with a yellow flag to ask for carriages and horses. But the Luhe Post Station ignored them, saying that the carriages and horses had been sent out, and drove the candidates out.

The candidates finally understood what it meant to "not know how low one's position is until one goes to Beijing". In the countryside, these candidates could act tyrannically and challenge the county magistrate, but before they even entered the capital, they were exposed in Tongzhou.

"Don't feel inferior, this Luhe Posthouse is the best posthouse in the world, and we have seen many high-ranking officials and imperial envoys coming and going. Even the prefects who come to Beijing to report on their work and the doctors who go out of Beijing on business have to endure their bullying from time to time." An experienced senior scholar shrank his neck and laughed, "We scholars are nothing, we should just go to the carriage and horse shop to hire a carriage."

Fortunately, Tongzhou is an important gateway in and out of the capital, and the streets are full of carriages and horses.

Moreover, the attitude of the carriage companies was much better than that of the post stations. The carriage owners served ginger soup and cooked noodles to the shivering candidates in the snow and ice, and even gave each of them two eggs.

This touched the scholars so much that they felt these carriage owners were even cuter than the salt merchants in Yangzhou.

After the scholars had filled their stomachs and warmed up, they discussed the matter of hiring a carriage with the carriage owner and asked how much it would cost.

"What's the money? It's our blessing to drive for you guys." The drivers waved their hands, showing the generosity of the northern guys.

"That is, if you want money, are you still a human being? Can a human being ask for money?"

"Oh, thank you so much." The candidates' attitude had never been so good since they passed the imperial examination. They bowed their hands in gratitude and said, "There are thirty of us, just give us eight cars."

"How can eight cars be enough? What status do you have? How can you squeeze into a car with others? At least one car per person, thirty cars!" The car owners are like living Bodhisattvas. The new candidates who came to Beijing for the first time to take the imperial examinations have a very good impression of northerners.

"Thank you, thank you. Compared with you, the Huizhou merchants and Zhejiang merchants are all stingy." The scholars praised the car owner to the sky.

"How can one car per person be enough? Are we going to let the gentlemen and their luggage ride in one car? And add a luggage cart for each person!" After hearing the flattery of the scholars, the car owners became more and more generous and actually allocated two cars for each of them. What kind of treatment is this!

But those old scholars who had been to the imperial court for the second or third time only huddled in their cotton-padded jackets, slurping noodles, and were not moved at all. They wanted to let the younger generation know that free is the most expensive.

The new candidates could not help but complain in their hearts that the seniors were too worldly-wise. Not only did they help them in their time of need, but they also flattered them. How could they be so indifferent?

But when they set off, they finally understood why the car owner was overly enthusiastic and why their predecessors were indifferent?

Because they just want to borrow their yellow flags. In this way, they can bring goods into Chongwenmen without paying taxes...

Each cart was filled with different kinds of goods, so full that there was only a little space for the candidates to rest their butts. The cart owners even said that they were afraid that the candidates would get cold. What was even worse was that there was only one mule pulling the cart, but there was a bucket behind the cart. It was the luggage cart that the cart owners had promised them.

The luggage cart was also packed full, with just enough space for them to put down their luggage.

The scholars wore thick cotton hats and bulky cotton jackets, their bodies twisted and squeezed in the gaps between the goods. Where was the elegant and graceful demeanor of the scholars?

They wanted to condemn the unscrupulous businessmen's false propaganda, but it was freezing cold and the wind was blowing on their faces. They couldn't even show an angry expression, let alone speak out loud.

~~

However, Zhao Hao and his friends were not caught.

Because Wu Ji also had a carriage and horse trading company in Tongzhou, as soon as they got off Wu Ji's boat, they were taken to Wu Ji's carriage and horse trading company from the dock.

After enjoying a sumptuous meal, they were arranged by the manager of the Tongzhou branch to go to Beijing in six carriages, with two other carriages following behind to carry the luggage of the group.

Moreover, the eight carriages were clean and did not carry any hidden cargo.

Although the coachman was very reluctant to make this trip in vain, the shopkeeper told them that there were distinguished guests of the boss on the coach, so they could only do their best and serve carefully.

But even so, the group was still shivering with cold.

There was a pale sun hanging in the sky, but there were still sporadic snowflakes floating around.

The ground, regardless of distance or nearness, including mountains, villages, rivers, and fields, was all covered with white ice and snow.

This made the people coming from the water towns in the south of the Yangtze River feel like they had fallen into an ice cave.

"This little glacier is really amazing..." Zhao Hao secretly thought that in order to live a few more years, he had to go back to live in Jiangnan.

"Why is it so cold?" Hua Shuyang held a hot water bottle and wrapped himself in a thick blanket, but he was still shivering and said, "What kind of exam is this? I might as well freeze to death..."

"Yeah, I don't know if the Imperial Examination Hall will give out quilts." Wang Wuyang also trembled. According to the experience of the provincial examination, when taking the entrance examination, clothes cannot have lining, and the quilt must be single-sided...

How can a single-sided quilt be filled with cotton? It's just a sheet...

"You're dreaming about getting quilts." Wu Kangyuan was also freezing cold and said, "Last time I got my hands shaking from the cold and soiled the test paper, and now I have to suffer with you again."

"It is said that young people have more energy, but you are not as good as me, a middle-aged man!" Zhao Shouzheng glanced at the younger generations with contempt. He was not wrapped in a quilt, nor did he carry a hot water bottle. He sat upright in the carriage and was not afraid of the cold at all.

After a pause, he added: "Except Gao Wu, of course."

At this time, Gao Wu, who was outside the car, was wearing only a single shirt and pants and a felt hat. He was following the car with big strides, looking around vigilantly and wiping his sweat with a towel.

"Don't compare yourself to my father. He has lived in the capital for many years and is very cold-resistant." Zhao Hao huddled in the most windproof corner of the carriage and stopped the two competitive disciples from imitating their master and throwing away the hot water bottle and mattress.

"So that's how it is..." Everyone in the car suddenly realized and were talking and laughing when they suddenly heard the sound of hurried horse hooves outside.

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